energy
Energy which a body possesses by virtue of being in motion
kinetic
a simple lifting machine consisting of a rope which unwinds from a wheel on to a cylindrical drum or shaft joined to the wheel to provide mechanical advantage.
wheel and axle
the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors
potential
wheel with a grooved rim around which a cord passes. It acts to change the direction of a force applied to the cord and is chiefly used (typically in combination) to raise heavy weights
pulley
the strength and vitality required for sustained physical or mental activity
energy
a rigid bar resting on a pivot, used to help move a heavy or firmly fixed load with one end when pressure is applied to the other
lever
a ball resting on the floor and not moving is an example of ______.
potential
a plane inclined at an angle to the horizontal
Inclined plane
a rubber band being stretched and then let go is an example of _______.
kinetic
an act of turning a screw or other object having a thread
screw
make prosperous or successful.
speed